Fetus electrocardiogram signal measuring method and its device
US8340748B2 · kind B2 · utility
6Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2008 |
| Grant date | Dec 25, 2012 |
| Priority date | — |
| Expiry date | Sep 19, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/4362
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed are a fetus electrocardiogram signal measuring method and its device that are capable of measuring the electrocardiogram signals of a fetus even during fetus movements and even at a gestational age during which the measurement current is weak, without the need for reattaching the electrodes and providing any shield room, even if the mother is a hospitalized or ambulant pregnant woman. The fetus electrocardiogram signal measuring device includes (1) high input impedance electrodes, (2) region-variable ground electrodes, and (3) a differential amplifier circuit and an optimization computing section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.